TEKS.MATH.9-12.II.D.1

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

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TEKS.MATH.9-12.II.D.1

Which graph has a slope of 0?

• a
• b

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TEKS.MATH.9-12.II.D.1

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

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TEKS.MATH.9-12.II.D.1

Data was collected on the weight of a male  laboratory rat for the first 25 weeks after its birth. The linear regression equation is 
y= 40x+100, where x is number of weeks and y is weight in grams. 
What does the y-intercept mean in context of the problem?

• The predicted weight of the rat in year 0. 
• The predicted weight of the rat at birth. 
• The current weight of the rat. 
• The average increase in the rat's weight. 

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TEKS.MATH.9-12.II.D.1

What statement does the shaded region represent?

• A ∩ B ∩ C
• A  ∪ B ∩ C
• B ∩ C
• A ∪ C

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TEKS.MATH.9-12.II.D.1

TEKS.MATH.9-12.II.D.2

What is the domain of the graph shown?

• {-2, -1, 0, 1, 2, 3, 4}

• {2, 3, 4}

• 2 ≤ y ≤ 4

• -2 ≤ x ≤ 4

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TEKS.MATH.9-12.II.D.1

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

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TEKS.MATH.9-12.II.D.1

TEKS.MATH.9-12.II.A

Choose the correct equation for the graph.

•  $y=\left|x+2\right|$

• $y=\left|x-2\right|$

• $y=\left|x\right|+2$

• $y=\left|x\right|-2$

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TEKS.MATH.9-12.II.D.1

Which graph shows a line with a y-intercept of (0, -6)

• 
• 
• 
• 

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TEKS.MATH.9-12.II.D.1

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

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TEKS.MATH.9-12.II.D.1